Monday
December 22, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Post a New Question | Current Questions

science
the speed of sound in air is given for still air. how would wind affect the speed? what would happen if you shouted into the wind?
Saturday, July 12, 2014 at 2:47pm

science
A half-life of mercury-195 is 31 hours. If you start with a sample of 5.00g of pure mercury-195, how much of it will still be present after 93 hours?
Friday, July 11, 2014 at 8:23pm

science
Is this balanced correctly NaOH + H2SO4 = Na2SO4 + H2O? In this equation, Sodium (Na) and Hydrogen (H) atoms are not balanced. There are 2 atoms of Sodium (Na) on Right Hand Side, so we can multiply NaOH with 2 on Left Hand Side. This balances the Sodium (Na) atoms. Now, ...
Friday, July 11, 2014 at 8:22pm

science
Explain the process of reflection.
Friday, July 11, 2014 at 7:39pm

science
A car traveling about 50km/h collides head-on with something solid. The car crumples, slows down and stops. Use the law of inertia to explain why a crash dummy not restrained by a seat belt in the car slams into the steering wheel.
Friday, July 11, 2014 at 4:13pm

science
Explain why radioactivity can be used as a "clock" to measure the march of geologic time.
Friday, July 11, 2014 at 3:52pm

science
What is the Molarity of a solution formed by mixing 10.0g H2SO4 with enough water to make 100.0mL of solution?
Friday, July 11, 2014 at 1:42pm

science
how is this equation derived from the momentum principle? In the near-Earth orbit the rate of change of momentum is (v/R)p = (v/R)mv
Friday, July 11, 2014 at 11:13am

science
Mufaddal wants to travel from point H to point F as shown in image. How many ways can he travel from point H to point F if moving north and west directions are not permitted? 12 7 10 4
Friday, July 11, 2014 at 10:01am

Math literacy business studies life science and history
Hi i was wondering which career path should i follow if im doing these subjects
Friday, July 11, 2014 at 7:15am

science
Mufaddal wants to travel from point H to point F as shown in image. How many ways can he travel from point H to point F if moving north and west directions are not permitted? 12 7 10 4
Friday, July 11, 2014 at 5:02am

science
What is the Molarity of a solution formed by mixing 10.0g H2SO4 with enough water to make 100.0mL of solution?
Friday, July 11, 2014 at 2:49am

science
Sodium hydrogen carbonate NaHCO3, also called baking soda, is an active ingredient in some antacids used for the relief of indigestion. Determine the percent composition of sodium hydrogen carbonate.
Friday, July 11, 2014 at 2:46am

Physics
Actually, I have 3 questions to solve. I know the 1st one requires Coulomb's constant, but I just can't get the formula to work. Ditto for the formulas for the other 2 questions. 1) A 6.3 μC point charge and a −1.7 μC point charge are separated by a ...
Thursday, July 10, 2014 at 10:35pm

Science
Make a flowchart to show how the event m might affect a forest ecosystem. A logging company clear-cuts the trees in the forest. My question is; What are the events that might affect a forest ecosystem when clear-cutting the trees in the forest?
Thursday, July 10, 2014 at 12:40pm

Science
What body system does coronary heart disease affect? Also How does this disease affect normal homeostasis of the body system
Thursday, July 10, 2014 at 11:30am

Science
State in words the specific information conveyed by a label reading of 0.25M oxalic acid
Tuesday, July 8, 2014 at 6:56pm

science
A comet is in an elliptical orbit around the Sun. Its closest approach to the Sun is a distance of 4.8 x10^10 m (inside the orbit of Mercury), at which point its speed is 9.1 x10^4 m/s. Its farthest distance from the Sun is far beyond the orbit of Pluto. What is its speed when...
Tuesday, July 8, 2014 at 5:37pm

Environmental Science
In two or three well-developed paragraphs, summarize how the reproductive behavior of individuals can affect the growth rate of their population.
Tuesday, July 8, 2014 at 9:09am

science
A student expends 9.6W of power lifting a textbook 0.50m in 3.0s with a constant velocity. How much work is done?
Tuesday, July 8, 2014 at 3:01am

science
How much heat must be removed from 0.20kg of water at 10.0oC to form ice at 0oC?
Tuesday, July 8, 2014 at 3:00am

Environmental Science
Using two or three well-developed paragraphs, explain how temperature and precipitation determine which plants grow within an area and give an example.
Monday, July 7, 2014 at 9:55am

Environmental Science
Using two or three well-developed paragraphs, describe how energy is transferred from the sun to producers and on to consumers. Provide at least one example.
Monday, July 7, 2014 at 9:53am

Science
how many ml of water are present in 250ml of a 15% by volume oguous hydrocloric acid solution?
Monday, July 7, 2014 at 9:44am

English Essay Part 2
Background Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect match for...
Monday, July 7, 2014 at 9:28am

Science
by volume ogueous hydroloric acid solution,
Monday, July 7, 2014 at 9:08am

Science
A solution made up of 20ml of mythl alcohol and 50ml of water. What is the volume percent of ethyl alcohol in solution.
Monday, July 7, 2014 at 9:05am

Science
80ml of methyl alcohol water are mixed to give a solution that has a final volume of 154ml. What is the concentration of the solution expressed as percent by volume methyl alcohol?
Monday, July 7, 2014 at 9:03am

Science
How many grams of sucrose are dissolved in 400 grams of a 12% ogueaus solution of sucrose?
Monday, July 7, 2014 at 9:01am

Science
A solution is prepared by dissolving 15grams of table salt in 70grams of water. Find (a) mass percent of solute (b) mass percent of solvent.
Monday, July 7, 2014 at 8:58am

Science
What is the mass percent of sodium hydroxide in a solution that is made by dissolving 8grams of sodium hydroxide in 50 grams of H2O?
Monday, July 7, 2014 at 8:52am

science
In the construction of bridges and skyscrapers, gaps must be left between adjoining steel beams to allow for the expansion and contraction of the metal due to heating and cooling. The temperature of a sample of iron with a mass of 10.0g changed from 50.4oC to 25.0oC with the ...
Sunday, July 6, 2014 at 10:25pm

Maths lit,geography,life science,pysical science
Provide five or more ways in which you critically discuss how life style/behaviour disease impact on the teenager?
Sunday, July 6, 2014 at 3:46pm

science
An object with mass 110 kg moved in outer space. When it was at location < 11, -35, -7 > its speed was 17.5 m/s. A single constant force < 230, 420, -230 > N acted on the object while the object moved to location < 16, -41, -13 > m. What is the speed of the ...
Sunday, July 6, 2014 at 2:31pm

computer
how do cell phone works,answer in short paragraph
Sunday, July 6, 2014 at 2:02am

SCIENCE
a force of 70N keeps a 70-kg pilot in circular motion if he is flying a small plane at 35 m/s in circular path, what is the radius of the circular path?
Saturday, July 5, 2014 at 10:34pm

science
Do houseplants affect the quality of air in a house? Describe an experiment that would answer this question. What gases do you want to measure? I answered yes since plants give off oxygen which animals need to survive. I need a little help with the experiment.
Friday, July 4, 2014 at 5:21pm

Science
How much quantity of sodium chloride is needed to make 30 ml of a 2% isotonic drug (sodium chloride equivalent 0.20) solution? A. 0.60 B. 0.15 C. 0.27 D. 0.12
Friday, July 4, 2014 at 7:29am

Science
What happens when mineral deposits are found? A. Miners lose their jobs. B. Mining towns are started. C. Nearby water supplies dry up. D. People move away from the deposits. My answer- C
Thursday, July 3, 2014 at 2:34pm

Science
How do trees decompose?
Thursday, July 3, 2014 at 1:54pm

science
A man moves on his bike with 54km/h and takes u- tune (180 degree)and continues it speed to move with same speed .the time of u-tune is 10sec.find its average accleration
Wednesday, July 2, 2014 at 2:20pm

Science
Is a beaver a consumer or a producer and how do you know that?
Wednesday, July 2, 2014 at 2:08pm

Science
Abox of mass 60kg starts from the rest at height h and slides down a rough slope of length 10m, which makes an angle of 25 degree with the horizontal. It undergoes a constant acceleqation of magnitude 2m/ while sliding down the slope. Calculate the work done on the box by the ...
Wednesday, July 2, 2014 at 12:06pm

science
Which way is the momentum occuring if a child is riding a merry go round at a constant speed. So for example at each 4 "sides" of the merry go round which direction is momentum . I know the velocity is always tangent to the circle at a specific point. does the ...
Wednesday, July 2, 2014 at 9:37am

science
NaOH is treated with an organic acid. Normality=0.2N Volume= 45.7 cubic centimeter mass of organic acid= 0.22 give name and strutural formula of the acid
Wednesday, July 2, 2014 at 7:06am

science
an 800 N box is push across a level floor for a distance of 5.0 meters with the force of 440 N.how much work is done for the box?
Wednesday, July 2, 2014 at 7:05am

Edward Phatudi
Am doing physical science.life science.geography and maths lit i want to know which career can i do
Wednesday, July 2, 2014 at 2:36am

Science
The time period of simple pendulum in earth surface is T. then time period in satellite is
Wednesday, July 2, 2014 at 2:15am

Science
A simple pendulum is kept in train. If the train starts to accelerate, the time period of pendulum ?
Wednesday, July 2, 2014 at 2:12am

science
Air pressure at the surface of a fresh water lake near sea level is about 10^5 N/m2. At approximately what depth below the surface does a diver experience a pressure of 3.0 e5 N/m2?
Tuesday, July 1, 2014 at 5:57pm

science
The equation y=5sin(3x-4) where y is in millimeters,x is in metres and t in seconds,represent motion. Find; Frequency Period Speed of the wave
Tuesday, July 1, 2014 at 12:21pm

computer system organization
2. You're an IT professional, and your boss has asked you to prepare a briefing for senior staff on the comparative advantages and disadvantages of three competing tape drive technologies: Digital Linear Tape (DTL), Advanced Intelligent Tape (AIT), and Linear Tape Open (...
Tuesday, July 1, 2014 at 12:51am

science
A body freely falling from a height h describes 11h/36 in the last second of its fall. Find the height h?
Monday, June 30, 2014 at 12:08pm

science
A 25 kg box is being pushed across the floor by a constant force ‹ 100, 0, 0 › N. The coefficient of kinetic friction for the table and box is 0.15. At t = 6.0 s the box is at location ‹ 14, 3, −4 › m, traveling with velocity ‹ 6, 0, 0 › m/s...
Monday, June 30, 2014 at 9:27am

physics, science
What effect does friction have upon a) ball bounce angle, and b) ‘speed’ of the court? Refer to clay and grass courts to help illustrate your answer. (4 marks) please help!
Monday, June 30, 2014 at 6:52am

Science
Equation for the reaction which took place: Hydrochloric acid + calcium carbonate -> calcium chloride + carbon dioxide + water When the reaction stopped the total mass had decreased from 102.5g to 101.4g. some water had evaporated from the beaker what else caused the drop ...
Sunday, June 29, 2014 at 10:26am

Operations Management
Question 1 : ASSIGNMENT LP A transportation company in Mandeville has five delivery vehicles to deliver products along five delivery routes which have different costs according to the truck used. The estimated costs in United States Dollars for each truck along each route are ...
Sunday, June 29, 2014 at 8:40am

science
how to write a conclusion for medicinal plants projects?please explain it.
Saturday, June 28, 2014 at 1:28am

Science
If A=B+C and the magnitude of A,B.C are 5,4,3 units then angle between A and C is ?
Friday, June 27, 2014 at 11:27am

science
To have a high work effiency of concrete batching plant,we need to know the maintance of it to extend its useful life.We have study this for a long time and it includes two aspects. One is lubricating the shaft of concrete batching plant when it works every single time to ...
Thursday, June 26, 2014 at 11:11pm

Statistics (Check Work)
Can Someone help me with these 2 problems? I am certain I am solving them correctly, but for some reason the computer keeps marking my answers as incorrect. Question 1: Minnesota had the highest turnout rate of any state for the 2012 Presidential election. Political analysts ...
Thursday, June 26, 2014 at 6:09pm

science
As the United States is one of the largest contributors to atmospheric carbon emissions, what specific policies might the United States enact to reduce its impact on global climate change? Using at least two scholarly or reputable resources and your textbook, discuss the ...
Thursday, June 26, 2014 at 2:59pm

science..physics
An athlete runs from one end to the other end of a semicircular track whose radius is 70m.what is the total distance covered by the athlete and what is his displacement?
Thursday, June 26, 2014 at 11:44am

science
if a solution is made by adding 83 grams.of soduim hydroxide to 750 ml.of water what is the percent by mass of sodium hydroxide in the solution?
Thursday, June 26, 2014 at 11:34am

science
a body travel a distance of 15m from a to b and them movrs 20 m at right angles to ab. calculate the total distance covered and displacement. (
Thursday, June 26, 2014 at 6:24am

science
A car of mass 2900 kg collides with a truck of mass 4800 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was < 34, 0, 0 > m/s, and the truck's velocity just before the collision was <...
Wednesday, June 25, 2014 at 7:52pm

science
A bullet of mass 0.062 kg traveling horizontally at a speed of 150 m/s embeds itself in a block of mass 90 kg that is sitting at rest on a nearly frictionless surface What is the speed of the block after the bullet embeds itself in the block?
Wednesday, June 25, 2014 at 2:46pm

science
In this problem, you will explore the protein lysozyme. Lysozyme is present in hen egg whites and helps to protect the developing chick from bacterial infection by destroying the cell wall of certain bacteria. Lysozyme does this because it is an enzyme, a protein that ...
Wednesday, June 25, 2014 at 2:41pm

science
What is the percent by mass solution made by dissolving 163g of table sugar cm 755g of water
Wednesday, June 25, 2014 at 11:40am

linear algebra
use a computer software or graphing utility to solve the system of linear equation. x₁+0.5x₂+0.33x₃+0.25x&​#8324;=1.1 0.5x₁+0.33x₂+0.25x₃+0.​21x₄=1.2 0.33x₁+0.25x₂+0.2x₃+0.​17x₄=1.3 0.25x₁...
Wednesday, June 25, 2014 at 8:45am

science
What are the unique features of spongilla lacustrus and leucosolenia botryoldes also I got their diagrams from a light microscope but I cannot label it
Wednesday, June 25, 2014 at 4:17am

science
A moon orbits a planet in the xy plane, as shown in the figure. You want to calculate the force on the moon by the planet at each location labeled by a letter (A,B,C,D). At each of these locations, what are (a) the unit vector r, and (b) the unit vector F in the direction of ...
Tuesday, June 24, 2014 at 8:19pm

Science
Which best explains why the shore of a lake heats up faster during the day than the lake's water? A.water gives its extra heat to the land. B.water reflects more of the sunlight. C.water let's most of the light go to the bottom. D.water gives much of the heat to the ...
Tuesday, June 24, 2014 at 4:03pm

science
prepare an inclined plane by using a plane card board sheet, inclined at different angels, using a toy car find the distance covered for different angels, plot graph between the angle of inclination and distance travelled. find the angle for maximum and minimum distance
Tuesday, June 24, 2014 at 1:09pm

Science
Whta pH of the acid-base solution when the indicator turn this green colour?
Monday, June 23, 2014 at 11:25am

finite math
if you buy a computer direct from the manuf, $3080 and agreed to repay it in equally 36 months installed at 2.06% interest per month on unpaid balance. How much are the monthly payment? How much will be paid?
Monday, June 23, 2014 at 2:50am

science
Why can we see ourselves in a mirror but not a wall
Sunday, June 22, 2014 at 11:51pm

science
How do you calculate field of view
Sunday, June 22, 2014 at 10:08pm

science
Find the mass of potassium chloride and volume of oxygen at STP liberated when 0.5 moles of potassium chlorate are heated.Also find the moles and mass of oxygen evolved.
Sunday, June 22, 2014 at 3:48am

venn diagram
IN A CLASS OF 130 STUDENTS.85 PASSED IN MATHS, 60 PASSED IN SCIENCE, 10 FAILED IN BOTH. a) how many passed in science but failed in math b)how many failed in exactly one subject
Saturday, June 21, 2014 at 9:40am

car insurance?
Which one of these statements is true about a "bumper-to-bumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered without ...
Friday, June 20, 2014 at 3:39am

Science
What is oxygen made of
Thursday, June 19, 2014 at 12:38pm

engineering science
The mass of a truck is 5000kg and it is stationary on an incline plane making an angle of 16 with the horizontal. The coefficient of friction
Thursday, June 19, 2014 at 2:54am

Maths literacy,history,life science,english,xhosa,life orantation,geography.
I'am doing grade 11 now and when i passed grd 12 next year.i want to know what caree is good for my subjects ,because i don't know what caree should i take.
Wednesday, June 18, 2014 at 5:27pm

science
Imagine that you have a rectangular swimming pool, but you have no idea how deep it is. You know that the pool has a volume of 216 m3 . You measured the dimensions of the pool and found that it is 15 m long and 6 m wide
Wednesday, June 18, 2014 at 9:30am

Physical Science
is the work needed to bring a car's speed from 0 to 10 km/h less than. qual to. or more than the work needed to bring its speed from 10 to 20 km/h? in the amounts of work are different, what is the ratio between them?
Tuesday, June 17, 2014 at 2:10pm

Science
1. Why is ice a faster surface for sleddikng than snow? a. Ice is flatter than snow. B. Ice is colder than snow. C. Ice provides less friction. D. Ice has less mass than snow. My answer- A
Tuesday, June 17, 2014 at 11:57am

computer
What are the steps in formatting texts?
Tuesday, June 17, 2014 at 11:40am

science
A force of 20 n gives a ball an acceleration of 4.0 m/s3 on a lever frictionless surface. what is the mass of the ball?
Tuesday, June 17, 2014 at 11:39am

Science (Chemistry)
4. A Beer’s Law plot was prepared for the reaction A(aq) + B(aq) AB(aq), plotting absorption over AB(aq) concentration. The linear equation for this plot was y = 78.3x. A solution was prepared by mixing 10.0mL of 0.100M A with 5.00mL of 0.100M B and adding enough ...
Monday, June 16, 2014 at 7:58pm

Statistics (Check Answer)
Hi can someone check my answer. I'm not sure why the computer keeps marking it wrong. **Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite ...
Monday, June 16, 2014 at 6:50pm

science:biology
what does the following carry. 1.artery 2.vein 3.pulmonary artery. 4.pulmonary vein 5.right auricle 6.right ventricle. 7.left auricle 8.left ventricle
Monday, June 16, 2014 at 12:22pm

Science
A 50-kg object moving at 12 m/s has a momentum of 600 kg ´ g m/s. What is the mass of an object, moving at 4 m/s that has the same momentum?
Monday, June 16, 2014 at 10:27am

algebra
computer manufacturing company would like to come up with a new laptop computer such that its monitor is 80 a square inches smaller than the present ones. Suppose the length of the monitor of the larger computer is 5 inches longer than its width and the area of the smaller ...
Monday, June 16, 2014 at 8:58am

Science
A rod of length L=1.80m is mounted to a wheel (solid cylinder) of radius R=8.00cm. A massless rope is wound on the wheel, and then connects to a block of mass m=0.250kg. The mass is released from rest and allowed to fall. 1. Find the tension in the rope. 2. How long does it ...
Monday, June 16, 2014 at 6:45am

science
LIFE
Monday, June 16, 2014 at 4:40am

com 200
Kyle has struggled to feel comfortable in science classes with labs since his junior year of high school, when a solution he was working with ignited. He was always cautious with chemicals but his lab partner that year enjoyed seeing what would happen when he mixed random ...
Sunday, June 15, 2014 at 11:53am

science
what is the difference between erosion transport and deposition????????????????????
Sunday, June 15, 2014 at 10:21am

Science
I REALLY REALLY NEED HELP SO 1.I need to do an essay asking you (me)to explain what is the difference between erosion,transport,and deposition?... 2.another essay asking me to explain you (me) to explain the destructive and positive effects of a volcanic erupyion?... 3.a short...
Saturday, June 14, 2014 at 4:24pm

Science
What form of pollution, if any, does each energy source cause? How does the economy influence energy source choices? How does location influence energy source choices?
Friday, June 13, 2014 at 8:42pm

Pages: <<Prev | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | Next>>

Post a New Question | Current Questions

Homework Help: Computers

Search
Members